Excessive Heat Watch 9:00 PM Excessive Heat Warning — Emmet, IA, Kossuth, IA, Palo Alto, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Marshall, IA, Tama, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Jasper, IA, Poweshiek, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Marion, IA, Mahaska, IA, Adams, IA, Union, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Taylor, IA, Ringgold, IA, Decatur, IA, Wayne, IA, Appanoose, IA, Davis, IA, Winnebago, IA, Worth, IA, Hancock, IA, Cerro Gordo, IA, Franklin, IA, Butler, IA, Bremer, IA, Grundy, IA, Black Hawk, IA 10:00 PM

Hamilton County, Iowa, United States

Last updated: 3:28 PM CDT  ·  Refresh
31°C
Feels like 39°
Partly Cloudy
▲ 33°  /  ▼ 23°
Wind
20 mph S
Humidity
72%
Dew Point
25°
Pressure
28.55 inHg
Visibility
10 mi
UV Index
8.6
Cloud Cover
33%
Sunrise
5:40 AM
Sunset
8:55 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Hamilton County is currently partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4653 J/kg) — isolated convective development possible. Sunrise: 5:40AM · Sunset: 8:55PM.

Alerts

Excessive Heat Watch
Expires 9:00 PM
Excessive Heat Warning
Emmet, IA, Kossuth, IA, Palo Alto, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Marshall, IA, Tama, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Jasper, IA, Poweshiek, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Marion, IA, Mahaska, IA, Adams, IA, Union, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Taylor, IA, Ringgold, IA, Decatur, IA, Wayne, IA, Appanoose, IA, Davis, IA, Winnebago, IA, Worth, IA, Hancock, IA, Cerro Gordo, IA, Franklin, IA, Butler, IA, Bremer, IA, Grundy, IA, Black Hawk, IA
Expires 10:00 PM
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
5%
4 PM
32°
8%
5 PM
33°
8%
6 PM
32°
18%
7 PM
31°
17%
8 PM
31°
27%
9 PM
29°
40%
10 PM
29°
35%
11 PM
29°
36%
12 AM
29°
22%
1 AM
28°
23%
2 AM
28°
35%
3 AM
27°
39%
4 AM
26°
40%
5 AM
24°
23%
6 AM
23°
5%
7 AM
24°
5%
8 AM
25°
5%
9 AM
27°
5%
10 AM
29°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
31°
10%
2 PM
31°
13%
7-Day Forecast
Today
33° 23°
Partly Cloudy with a 40% chance of rain.
Tue
33° 23°
Partly Cloudy with a 40% chance of rain.
Wed
34° 23°
Partly Cloudy with a 67% chance of rain.
Thu
33° 24°
Partly Cloudy with a 71% chance of rain.
Fri
33° 23°
Clear with a 60% chance of rain.
Sat
33° 21°
Thunderstorm, 90% chance.
Sun
31° 19°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 5% 20 mph S 72%
4 PM 32° Mostly Clear 8% 20 mph S 71%
5 PM 33° Partly Cloudy 8% 20 mph S 72%
6 PM 32° Partly Cloudy 18% 18 mph S 74%
7 PM 31° Partly Cloudy 17% 16 mph S 78%
8 PM 31° Partly Cloudy 27% 14 mph S 81%
9 PM 29° Mostly Cloudy 40% 12 mph S 84%
10 PM 29° Mostly Cloudy 35% 12 mph S 84%
11 PM 29° Mostly Cloudy 36% 13 mph S 84%
12 AM 29° Mostly Cloudy 22% 14 mph SSW 83%
1 AM 28° Mostly Cloudy 23% 14 mph SSW 82%
2 AM 28° Mostly Cloudy 35% 12 mph SSW 82%
3 AM 27° Partly Cloudy 39% 10 mph SW 82%
4 AM 26° Partly Cloudy 40% 8 mph SSW 83%
5 AM 24° Mostly Cloudy 23% 7 mph S 83%
6 AM 23° Mostly Cloudy 5% 9 mph S 83%
7 AM 24° Mostly Cloudy 5% 11 mph S 81%
8 AM 25° Mostly Cloudy 5% 13 mph S 76%
9 AM 27° Partly Cloudy 5% 14 mph SSW 72%
10 AM 29° Partly Cloudy 3% 15 mph SSW 67%
11 AM 30° Partly Cloudy 3% 15 mph SSW 64%
12 PM 31° Partly Cloudy 3% 15 mph SSW 62%
1 PM 31° Partly Cloudy 10% 15 mph SSW 61%
2 PM 31° Partly Cloudy 13% 15 mph SSW 60%
15-Day Forecast
Today
6/29
Partly Cloudy
40%
23°
33°
Tue
6/30
Partly Cloudy
40%
23°
33°
Wed
7/1
Partly Cloudy
67%
23°
34°
Thu
7/2
Partly Cloudy
71%
24°
33°
Fri
7/3
Clear
60%
23°
33°
Sat
7/4
Thunderstorm
90%
21°
33°
Sun
7/5
Drizzle
60%
19°
31°
Mon
7/6
Clear
60%
19°
31°
Tue
7/7
Drizzle
60%
19°
31°
Wed
7/8
Drizzle
60%
19°
33°
Thu
7/9
Drizzle
60%
19°
31°
Fri
7/10
Drizzle
60%
19°
30°
Sat
7/11
Drizzle
60%
18°
29°
Sun
7/12
Drizzle
60%
18°
29°
Mon
7/13
Clear
25%
19°
31°
44
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
44 AQI 8.0 µg/m³
O3
Ground-level ozone
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 44 Good 34 44
Wed 71 Moderate 37 71
Thu 58 Moderate 33 58
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Mon Jun 29, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE5491 J/kg
MLCAPE4484 J/kg
MUCAPE5491 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-9.4
Kinematics
0–6 km Shear37 kt
0–1 km Shear12 kt
Eff. Shear31 kt
0–1 km SRH51
0–3 km SRH1
Eff. SRH1
Storm Motion202° @ 42 kt
0–1 km EHI1.8
Composite Parameters
Sig. Tornado1.5
STP (eff)0.0
Supercell0.1
K-Index34.0
Thermo & Levels
PWAT1.69 in
0–3 km LR5.9 °C/km
700–500 LR7.4 °C/km
Total Totals51.9
LCL886 hPa
LFC967 hPa
EL125 hPa
Freezing Lvl15,384 ft